ci: add comprehensive GitHub Actions workflow for Rust project

Author: ymatagne

.DS_Store

@@ -0,0 +1,105 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main, develop ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        components: rustfmt, clippy
+    
+    - name: Cache cargo dependencies
+      uses: actions/cache@v3
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+    
+    - name: Check formatting
+      run: cargo fmt -- --check
+    
+    - name: Run clippy
+      run: cargo clippy --all-targets --all-features -- -D warnings
+    
+    - name: Run tests
+      run: cargo test --verbose
+    
+    - name: Check documentation
+      run: cargo doc --no-deps --document-private-items
+
+  build:
+    name: Build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+    
+    - name: Cache cargo dependencies
+      uses: actions/cache@v3
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+    
+    - name: Build
+      run: cargo build --release --verbose
+
+  security:
+    name: Security audit
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+    
+    - name: Install cargo-audit
+      run: cargo install cargo-audit
+    
+    - name: Run security audit
+      run: cargo audit
+
+  coverage:
+    name: Code coverage
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        components: llvm-tools-preview
+    
+    - name: Install cargo-llvm-cov
+      run: cargo install cargo-llvm-cov
+    
+    - name: Generate code coverage
+      run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
+    
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v3
+      with:
+        files: lcov.info
+        fail_ci_if_error: true